[postgis-users] Error in raster import with WKTRaster

Jorge Arévalo jorge.arevalo at deimos-space.com
Mon Feb 14 04:20:27 PST 2011


2011/2/14 Jorge Arévalo <jorge.arevalo at deimos-space.com>:
> 2011/2/12 Mathieu Basille <basille at ase-research.org>:
>> Dear Jorge,
>>
>> Thx for this. Shall I do anything about it? I uploaded the problematic
>> raster for Pierre here:
>>
>> http://ase-research.org/tmp/postgis/
>>
>> Pierre, are you working on this?
>>
>> Sorry if I'm a bit confused, I'm not quite sure what's the best to do as I'm
>> not familiar with the PostGIS Raster organisation...
>> And I don't want to add more work for the people involved in PostGIS Raster
>> than required.
>>
>> All the best,
>> Mathieu.
>>
>>
>>
>
> Hi Mathieu,
>
> I think is enough. The loader should know how to deal with that.
>
> About PostGIS Raster, basically there's a roadmap
> (http://trac.osgeo.org/postgis/wiki/WKTRaster/PlanningAndFunding) and
> a list of known bugs and new required features
> (http://trac.osgeo.org/postgis/report/17).
>
> So, if you found a new problem (like your case) or a lack of
> something, you can use the list to ask for it, and a new ticket will
> be created when needed (like your case, again).
>
> Apart from this, the only thing you need is patience :-)
>
> Thanks again for reporting this, and best regards,
>
> --
> Jorge Arévalo
> Internet & Mobilty Division, DEIMOS
> jorge.arevalo at deimos-space.com
> http://es.linkedin.com/in/jorgearevalo80
> http://mobility.grupodeimos.com/
> http://gis4free.wordpress.com
> http://geohash.org/ezjqgrgzz0g
>


Hello again,

I think the loader problem is solved in r6815. Mathieu, could you
please update your working copy of PostGIS? You don't need to rebuild.
Just execute the loader again, and test the generated SQL, please.

Best regards,

-- 
Jorge Arévalo
Internet & Mobilty Division, DEIMOS
jorge.arevalo at deimos-space.com
http://es.linkedin.com/in/jorgearevalo80
http://mobility.grupodeimos.com/
http://gis4free.wordpress.com
http://geohash.org/ezjqgrgzz0g

>
>> Le 12/02/2011 09:17, Jorge Arévalo a écrit :
>>>
>>> 2011/2/11 Mathieu Basille<basille at ase-research.org>:
>>>>
>>>> Dear Jorge,
>>>>
>>>> The NoData value seems indeed at the origin of the problem:
>>>>
>>>> $ gdalinfo RoadDensity_2002_2006_CV_UTM19_25m.tif | grep NoData
>>>> NoData Value=nan
>>>>
>>>> In my other density maps, there was no 'NoData value' (the same command
>>>> returns nothing). It thus seems that I have some NAs in my map, which
>>>> are not handled correctly.
>>>>
>>>> After his request, I sent the map to Pierre Racine who is going to have
>>>> a look at it to find the problem.
>>>>
>>>> Thanks a lot,
>>>> Mathieu.
>>>>
>>>>
>>>
>>> Hello,
>>>
>>> I've created a new ticket for this:
>>> http://trac.osgeo.org/postgis/ticket/828
>>>
>>> Best regards,
>>>
>>
>> --
>>
>> ~$ whoami
>> Mathieu Basille, Post-Doc
>>
>> ~$ locate
>> Laboratoire d'Écologie Comportementale et de Conservation de la Faune
>> + Centre d'Étude de la Forêt
>> Département de Biologie
>> Université Laval, Québec
>>
>> ~$ info
>> http://ase-research.org/basille
>>
>> ~$ fortune
>> ``If you can't win by reason, go for volume.''
>> Calvin, by Bill Watterson.
>>
>



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